47587997739 has 8 divisors (see below), whose sum is σ = 63735196672. Its totient is φ = 31583065320.

The previous prime is 47587997707. The next prime is 47587997749. The reversal of 47587997739 is 93779978574.

47587997739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47587997739 - 2⁵ = 47587997707 is a prime.

It is a super-2 number, since 2×47587997739² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47587997749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35565847 + ... + 35567184.

It is an arithmetic number, because the mean of its divisors is an integer number (7966899584).

Almost surely, 2^47587997739 is an apocalyptic number.

47587997739 is a deficient number, since it is larger than the sum of its proper divisors (16147198933).

47587997739 is a wasteful number, since it uses less digits than its factorization.

47587997739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71133257.

The product of its digits is 840157920, while the sum is 75.

The spelling of 47587997739 in words is "forty-seven billion, five hundred eighty-seven million, nine hundred ninety-seven thousand, seven hundred thirty-nine".